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<div class="header">
  <div class="summary">
<a href="#nested-classes">Classes</a> &#124;
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">SparseExtra module</div>  </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>This module contains some experimental features extending the sparse module:</p><ul>
<li>A RandomSetter which is a wrapper object allowing to set/update a sparse matrix with random access.</li>
<li>MatrixMarket format(<a href="https://math.nist.gov/MatrixMarket/formats.html">https://math.nist.gov/MatrixMarket/formats.html</a>) readers and writers for sparse and dense matrices.</li>
</ul>
<div class="fragment"><div class="line"><span class="preprocessor">#include &lt;unsupported/Eigen/SparseExtra&gt;</span></div>
</div><!-- fragment --> <table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RandomSetter.html">Eigen::RandomSetter&lt; SparseMatrixType, MapTraits, OuterPacketBits &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">The <a class="el" href="classEigen_1_1RandomSetter.html" title="The RandomSetter is a wrapper object allowing to set/update a sparse matrix with random access.">RandomSetter</a> is a wrapper object allowing to set/update a sparse matrix with random access.  <a href="classEigen_1_1RandomSetter.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga5b82b077ca4d3780012b2f837bb23ee0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#ga5b82b077ca4d3780012b2f837bb23ee0">Eigen::getMarketHeader</a> (const std::string &amp;filename, int &amp;sym, bool &amp;iscomplex, bool &amp;isdense)</td></tr>
<tr class="memdesc:ga5b82b077ca4d3780012b2f837bb23ee0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads the header of a matrixmarket file and determines the properties of a matrix.  <a href="group__SparseExtra__Module.html#ga5b82b077ca4d3780012b2f837bb23ee0">More...</a><br /></td></tr>
<tr class="separator:ga5b82b077ca4d3780012b2f837bb23ee0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga35610696b22ae58bdd51d96468956455"><td class="memTemplParams" colspan="2">template&lt;typename SparseMatrixType &gt; </td></tr>
<tr class="memitem:ga35610696b22ae58bdd51d96468956455"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#ga35610696b22ae58bdd51d96468956455">Eigen::loadMarket</a> (SparseMatrixType &amp;mat, const std::string &amp;filename)</td></tr>
<tr class="memdesc:ga35610696b22ae58bdd51d96468956455"><td class="mdescLeft">&#160;</td><td class="mdescRight">Loads a sparse matrix from a matrixmarket format file.  <a href="group__SparseExtra__Module.html#ga35610696b22ae58bdd51d96468956455">More...</a><br /></td></tr>
<tr class="separator:ga35610696b22ae58bdd51d96468956455"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabe3d7dbb905149f63fa179898018ca57"><td class="memTemplParams" colspan="2">template&lt;typename DenseType &gt; </td></tr>
<tr class="memitem:gabe3d7dbb905149f63fa179898018ca57"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#gabe3d7dbb905149f63fa179898018ca57">Eigen::loadMarketDense</a> (DenseType &amp;mat, const std::string &amp;filename)</td></tr>
<tr class="memdesc:gabe3d7dbb905149f63fa179898018ca57"><td class="mdescLeft">&#160;</td><td class="mdescRight">Loads a dense <a class="elRef" href="../classEigen_1_1Matrix.html">Matrix</a> or Vector from a matrixmarket file. If a statically sized matrix has to be parsed and the file contains the wrong dimensions it is undefined behaviour.  <a href="group__SparseExtra__Module.html#gabe3d7dbb905149f63fa179898018ca57">More...</a><br /></td></tr>
<tr class="separator:gabe3d7dbb905149f63fa179898018ca57"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0b97a7af6c8af0fa0455723203b24853"><td class="memTemplParams" colspan="2"><a id="ga0b97a7af6c8af0fa0455723203b24853"></a>
template&lt;typename VectorType &gt; </td></tr>
<tr class="memitem:ga0b97a7af6c8af0fa0455723203b24853"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#ga0b97a7af6c8af0fa0455723203b24853">Eigen::loadMarketVector</a> (VectorType &amp;vec, const std::string &amp;filename)</td></tr>
<tr class="memdesc:ga0b97a7af6c8af0fa0455723203b24853"><td class="mdescLeft">&#160;</td><td class="mdescRight">Same functionality as loadMarketDense, deprecated. <br /></td></tr>
<tr class="separator:ga0b97a7af6c8af0fa0455723203b24853"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga33d673f7e2dfee413dec4395a6a40f46"><td class="memTemplParams" colspan="2">template&lt;typename SparseMatrixType &gt; </td></tr>
<tr class="memitem:ga33d673f7e2dfee413dec4395a6a40f46"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#ga33d673f7e2dfee413dec4395a6a40f46">Eigen::saveMarket</a> (const SparseMatrixType &amp;mat, const std::string &amp;filename, int sym=0)</td></tr>
<tr class="memdesc:ga33d673f7e2dfee413dec4395a6a40f46"><td class="mdescLeft">&#160;</td><td class="mdescRight">writes a sparse <a class="elRef" href="../classEigen_1_1Matrix.html">Matrix</a> to a marketmarket format file  <a href="group__SparseExtra__Module.html#ga33d673f7e2dfee413dec4395a6a40f46">More...</a><br /></td></tr>
<tr class="separator:ga33d673f7e2dfee413dec4395a6a40f46"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gacdbbd2f4dd378bd63e67163e907e5861"><td class="memTemplParams" colspan="2">template&lt;typename DenseType &gt; </td></tr>
<tr class="memitem:gacdbbd2f4dd378bd63e67163e907e5861"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#gacdbbd2f4dd378bd63e67163e907e5861">Eigen::saveMarketDense</a> (const DenseType &amp;mat, const std::string &amp;filename)</td></tr>
<tr class="memdesc:gacdbbd2f4dd378bd63e67163e907e5861"><td class="mdescLeft">&#160;</td><td class="mdescRight">writes a dense <a class="elRef" href="../classEigen_1_1Matrix.html">Matrix</a> or vector to a marketmarket format file  <a href="group__SparseExtra__Module.html#gacdbbd2f4dd378bd63e67163e907e5861">More...</a><br /></td></tr>
<tr class="separator:gacdbbd2f4dd378bd63e67163e907e5861"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga43fb1aaef616814a2c030a7986ed0afd"><td class="memTemplParams" colspan="2"><a id="ga43fb1aaef616814a2c030a7986ed0afd"></a>
template&lt;typename VectorType &gt; </td></tr>
<tr class="memitem:ga43fb1aaef616814a2c030a7986ed0afd"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__SparseExtra__Module.html#ga43fb1aaef616814a2c030a7986ed0afd">Eigen::saveMarketVector</a> (const VectorType &amp;vec, const std::string &amp;filename)</td></tr>
<tr class="memdesc:ga43fb1aaef616814a2c030a7986ed0afd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Same functionality as saveMarketDense, deprecated. <br /></td></tr>
<tr class="separator:ga43fb1aaef616814a2c030a7986ed0afd"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga5b82b077ca4d3780012b2f837bb23ee0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga5b82b077ca4d3780012b2f837bb23ee0">&#9670;&nbsp;</a></span>getMarketHeader()</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">bool Eigen::getMarketHeader </td>
          <td>(</td>
          <td class="paramtype">const std::string &amp;&#160;</td>
          <td class="paramname"><em>filename</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int &amp;&#160;</td>
          <td class="paramname"><em>sym</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool &amp;&#160;</td>
          <td class="paramname"><em>iscomplex</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool &amp;&#160;</td>
          <td class="paramname"><em>isdense</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span>  </td>
  </tr>
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</div><div class="memdoc">

<p>Reads the header of a matrixmarket file and determines the properties of a matrix. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">filename</td><td>of the file </td></tr>
    <tr><td class="paramname">sym</td><td>if the matrix is hermitian,symmetric or none of the latter (sym=0) </td></tr>
    <tr><td class="paramname">iscomplex</td><td>if the matrix has complex or real coefficients </td></tr>
    <tr><td class="paramname">isdense</td><td>if the matrix is dense or sparse </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the file was found </dd></dl>

</div>
</div>
<a id="ga35610696b22ae58bdd51d96468956455"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga35610696b22ae58bdd51d96468956455">&#9670;&nbsp;</a></span>loadMarket()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename SparseMatrixType &gt; </div>
      <table class="memname">
        <tr>
          <td class="memname">bool Eigen::loadMarket </td>
          <td>(</td>
          <td class="paramtype">SparseMatrixType &amp;&#160;</td>
          <td class="paramname"><em>mat</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::string &amp;&#160;</td>
          <td class="paramname"><em>filename</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Loads a sparse matrix from a matrixmarket format file. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">SparseMatrixType</td><td>to read into, symmetries are not supported </td></tr>
  </table>
  </dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">mat</td><td><a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a> to read into, current values are overwritten </td></tr>
    <tr><td class="paramname">filename</td><td>to parse matrix from </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>returns true if file exists. Returns false if the parsing did not succeed. </dd></dl>

</div>
</div>
<a id="gabe3d7dbb905149f63fa179898018ca57"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gabe3d7dbb905149f63fa179898018ca57">&#9670;&nbsp;</a></span>loadMarketDense()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename DenseType &gt; </div>
      <table class="memname">
        <tr>
          <td class="memname">bool Eigen::loadMarketDense </td>
          <td>(</td>
          <td class="paramtype">DenseType &amp;&#160;</td>
          <td class="paramname"><em>mat</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::string &amp;&#160;</td>
          <td class="paramname"><em>filename</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Loads a dense <a class="elRef" href="../classEigen_1_1Matrix.html">Matrix</a> or Vector from a matrixmarket file. If a statically sized matrix has to be parsed and the file contains the wrong dimensions it is undefined behaviour. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">DenseMatrixType</td><td>to read into </td></tr>
  </table>
  </dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">mat</td><td>DenseMatrix to read into, current values are overwritten, symmetries are not supported </td></tr>
    <tr><td class="paramname">filename</td><td>to parse matrix from </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if parsing was successful. Returns false if the parsing did not succeed. </dd></dl>

</div>
</div>
<a id="ga33d673f7e2dfee413dec4395a6a40f46"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga33d673f7e2dfee413dec4395a6a40f46">&#9670;&nbsp;</a></span>saveMarket()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename SparseMatrixType &gt; </div>
      <table class="memname">
        <tr>
          <td class="memname">bool Eigen::saveMarket </td>
          <td>(</td>
          <td class="paramtype">const SparseMatrixType &amp;&#160;</td>
          <td class="paramname"><em>mat</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::string &amp;&#160;</td>
          <td class="paramname"><em>filename</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>sym</em> = <code>0</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>writes a sparse <a class="elRef" href="../classEigen_1_1Matrix.html">Matrix</a> to a marketmarket format file </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">SparseMatrixType</td><td>to write to file </td></tr>
  </table>
  </dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">mat</td><td>matrix to write to file </td></tr>
    <tr><td class="paramname">filename</td><td>filename to write to </td></tr>
    <tr><td class="paramname">sym</td><td>at the moment no symmetry operations are supported </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if writing succeeded </dd></dl>

</div>
</div>
<a id="gacdbbd2f4dd378bd63e67163e907e5861"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gacdbbd2f4dd378bd63e67163e907e5861">&#9670;&nbsp;</a></span>saveMarketDense()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename DenseType &gt; </div>
      <table class="memname">
        <tr>
          <td class="memname">bool Eigen::saveMarketDense </td>
          <td>(</td>
          <td class="paramtype">const DenseType &amp;&#160;</td>
          <td class="paramname"><em>mat</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::string &amp;&#160;</td>
          <td class="paramname"><em>filename</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>writes a dense <a class="elRef" href="../classEigen_1_1Matrix.html">Matrix</a> or vector to a marketmarket format file </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">DenseMatrixType</td><td>to write to file </td></tr>
  </table>
  </dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">mat</td><td>matrix to write to file </td></tr>
    <tr><td class="paramname">filename</td><td>filename to write to </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if writing succeeded </dd></dl>

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